Electronic device with a transitional graphical user interface



FIG. 1 is a front view of a first image of an electronic device with a transitional graphical user interface showing my new design.

FIG. 2 is a front view of a second image thereof;

FIG. 3 is a front view of a third image thereof;

FIG. 4 is a front view of a fourth image thereof; and,

FIG. 5 is a front view of a fifth image thereof.

The broken lines in the Figures showing the electronic device thereof form no part of the claimed design.

The appearance of the image transitions sequentially between the images shown in FIGS. 1-5. The process or period in which an image transitions to another forms no part of the claimed design. 

CLAIM I claim the ornamental design for an electronic device with a transitional graphical user interface, as shown and described. 